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a599317624
This macro goes at the top of every CObject-derived class like so:
class SomeClass : public CObject {
C_OBJECT(SomeClass)
public:
...
At the moment, all it does is create an override for the class_name() getter
but in the future this will be used to automatically insert member functions
into these classes.
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#pragma once
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#include <LibGUI/GWidget.h>
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class Tool;
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class PaintableWidget final : public GWidget {
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C_OBJECT(PaintableWidget)
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public:
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static PaintableWidget& the();
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explicit PaintableWidget(GWidget* parent);
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virtual ~PaintableWidget() override;
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Color primary_color() const { return m_primary_color; }
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Color secondary_color() const { return m_secondary_color; }
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void set_primary_color(Color);
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void set_secondary_color(Color);
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void set_tool(Tool* tool);
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Tool* tool();
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Color color_for(const GMouseEvent&);
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void set_bitmap(const GraphicsBitmap&);
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GraphicsBitmap& bitmap() { return *m_bitmap; }
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const GraphicsBitmap& bitmap() const { return *m_bitmap; }
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Function<void(Color)> on_primary_color_change;
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Function<void(Color)> on_secondary_color_change;
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private:
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virtual void paint_event(GPaintEvent&) override;
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virtual void mousedown_event(GMouseEvent&) override;
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virtual void mouseup_event(GMouseEvent&) override;
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virtual void mousemove_event(GMouseEvent&) override;
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RefPtr<GraphicsBitmap> m_bitmap;
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Color m_primary_color { Color::Black };
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Color m_secondary_color { Color::White };
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Tool* m_tool { nullptr };
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};
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